User Raoul722

52

votes

2

answers

12k

views

Timing attack and good coding practices

timing-attack

Nov 21 '16 at 16:42 Biv 9,631

32

votes

6

answers

13k

views

What does it mean for a random number generator to be cryptographically secure?

Jun 11 at 12:05 Luc 1,274

32

votes

2

answers

42k

views

Why is HMAC-SHA1 still considered secure?

hmac collision-resistance sha-1

Feb 24 '17 at 18:02 Community♦ 1

31

votes

3

answers

5k

views

Applicability of IBM's projected 50-qubit quantum computer Q to cryptanalysis?

cryptanalysis quantum-cryptanalysis

Jan 5 '20 at 16:01 Charles 498

31

votes

3

answers

7k

views

How practical are side-channel attacks and how much of a concern are they?

cryptanalysis side-channel-attack

Sep 5 at 20:39 fgrieu♦ 111k

29

votes

1

answer

7k

views

What is a ratchet?

hash diffie-hellman

Feb 8 '19 at 4:08 Mischa 1

27

votes

5

answers

3k

views

Timing-Safety in JVM-Languages

implementation side-channel-attack timing-attack

Jul 6 '17 at 5:55 fgrieu♦ 111k

26

votes

3

answers

5k

views

How Far Ahead of Academia Are Government Agencies? [closed]

encryption cryptanalysis nsa

Dec 20 at 19:08 Glorfindel 327

26

votes

4

answers

5k

views

What makes Quantum Cryptography secure?

key-exchange key-distribution quantum-key-distribution

Feb 16 at 7:09 Patriot 2,346

26

votes

3

answers

5k

views

How is bitslicing faster?

implementation performance lightweight bitslicing

Sep 27 at 7:51 fgrieu♦ 111k

22

votes

3

answers

10k

views

Why do block ciphers need a non-linear component (like an S-box)?

cryptanalysis block-cipher algorithm-design s-boxes linear-cryptanalysis

Nov 26 at 11:28 Radium 141

18

votes

2

answers

1k

views

Can deterministic ECDSA be protected against fault attacks?

public-key elliptic-curves dsa side-channel-attack fault-attack

May 22 at 13:13 Raoul722 2,557

18

votes

0

answers

768

views

Crypto AG (Switzerland) - Which algorithms were used and how did the backdoors work?

protocol-design cryptographic-hardware history backdoors

Feb 6 at 16:14 Patriot 2,346

14

votes

4

answers

1k

views

Why to try get key out of white box crypto? How can one protect WBC itself?

cryptanalysis white-box

Nov 4 '14 at 19:15 Paŭlo Ebermann 21.4k

14

votes

1

answer

3k

views

Why not use `<`, `>` or `==` in constant time comparison?

side-channel-attack timing-attack

Aug 18 '16 at 9:47 Community♦ 1

11

votes

1

answer

7k

views

Difference between CBC-MAC and CMAC

cbc-mac cmac

Jan 12 '14 at 17:53 K.G. 4,167

11

votes

1

answer

1k

views

Tiger Tree Hash vs generic Merkle Tree

hash hash-tree

Jul 4 '17 at 15:34 e-sushi 16.9k

11

votes

4

answers

7k

views

Efficient AES - Use of T-tables

encryption aes

Nov 4 '19 at 19:33 David Johnston 311

11

votes

3

answers

3k

views

How to evaluate chi squared result?

random-number-generator randomness

Mar 21 '19 at 17:06 Squeamish Ossifrage 43.3k

10

votes

2

answers

161

views

Information-theoretic bound on leakage by timing measurement

side-channel-attack

May 7 '15 at 11:30 fgrieu♦ 111k

9

votes

3

answers

6k

views

Winternitz One-Time Signature

signature post-quantum-cryptography hash-signature one-time-signature

Nov 13 '18 at 7:38 DannyNiu 4,699

9

votes

1

answer

7k

views

How does AES introduce confusion and diffusion?

aes diffusion

Oct 14 '16 at 0:21 Community♦ 1

9

votes

2

answers

2k

views

Why are side channel attacks such as SPA/DPA/ CPA based on the AES SubBytes routine?

aes cryptanalysis side-channel-attack

Dec 30 '16 at 1:17 Community♦ 1

9

votes

1

answer

5k

views

Which one is fastest? Karatsuba or Montgomery multiplication?

modular-arithmetic montgomery-multiplication

Sep 22 '16 at 16:52 Community♦ 1

9

votes

2

answers

450

views

What is the official, generally accepted definition of “lightweight crypto”?

reference-request terminology lightweight

May 22 '17 at 17:25 Community♦ 1

9

votes

1

answer

4k

views

Mapping of message onto elliptic curve and reverse it?

elliptic-curves elgamal-encryption

Oct 30 '16 at 17:52 Community♦ 1

9

votes

2

answers

1k

views

Is the 64-bit blocksize a fatal issue when encrypting TBs of data with Blowfish CBC?

cryptanalysis cbc blowfish

Oct 8 '14 at 8:20 Community♦ 1

8

votes

3

answers

392

views

Are there any symptoms of a side channel attack on the target chip?

side-channel-attack

Oct 22 '17 at 14:50 Meir Maor 8,734

8

votes

1

answer

456

views

Do people not care about side channel resistance?

Nov 28 '17 at 15:22 dsprenkels 1,083

8

votes

3

answers

2k

views

Lightweight cipher using only 8-bit operations

encryption performance lightweight embedded

May 20 '18 at 10:08 fgrieu♦ 111k

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Timing attack and good coding practices

What does it mean for a random number generator to be cryptographically secure?

Why is HMAC-SHA1 still considered secure?

Applicability of IBM's projected 50-qubit quantum computer Q to cryptanalysis?

How practical are side-channel attacks and how much of a concern are they?

What is a ratchet?

Timing-Safety in JVM-Languages

How Far Ahead of Academia Are Government Agencies? [closed]

What makes Quantum Cryptography secure?

How is bitslicing faster?

Why do block ciphers need a non-linear component (like an S-box)?

Can deterministic ECDSA be protected against fault attacks?

Crypto AG (Switzerland) - Which algorithms were used and how did the backdoors work?

Why to try get key out of white box crypto? How can one protect WBC itself?

Why not use `<`, `>` or `==` in constant time comparison?

Difference between CBC-MAC and CMAC

Tiger Tree Hash vs generic Merkle Tree

Efficient AES - Use of T-tables

How to evaluate chi squared result?

Information-theoretic bound on leakage by timing measurement

Winternitz One-Time Signature

How does AES introduce confusion and diffusion?

Why are side channel attacks such as SPA/DPA/ CPA based on the AES SubBytes routine?

Which one is fastest? Karatsuba or Montgomery multiplication?

What is the official, generally accepted definition of “lightweight crypto”?

Mapping of message onto elliptic curve and reverse it?

Is the 64-bit blocksize a fatal issue when encrypting TBs of data with Blowfish CBC?

Are there any symptoms of a side channel attack on the target chip?

Do people not care about side channel resistance?

Lightweight cipher using only 8-bit operations